png_access_version_number, ,png_benign_error, ,png_build_grayscale_palette, ,png_calloc, ,png_chunk_benign_error, ,png_chunk_error, ,png_chunk_warning, ,png_convert_from_struct_tm, ,png_convert_from_time_t, ,png_convert_to_rfc1123, ,png_convert_to_rfc1123_buffer, ,png_create_info_struct, ,png_create_read_struct, ,png_create_read_struct_2, ,png_create_write_struct, ,png_create_write_struct_2, ,png_data_freer, ,png_destroy_info_struct, ,png_destroy_read_struct, ,png_destroy_write_struct, ,png_error, ,png_free, ,png_free_data, ,png_free_default, ,png_get_bit_depth, ,png_get_bKGD, ,png_get_channels, ,png_get_cHRM, ,png_get_cHRM_fixed, ,png_get_cHRM_XYZ, ,png_get_cHRM_XYZ_fixed, ,png_get_chunk_cache_max, ,png_get_chunk_malloc_max, ,png_get_color_type, ,png_get_compression_buffer_size, ,png_get_compression_type, ,png_get_copyright, ,png_get_current_pass_number, ,png_get_current_row_number, ,png_get_error_ptr, ,png_get_filter_type, ,png_get_gAMA, ,png_get_gAMA_fixed, ,png_get_header_ver, ,png_get_header_version, ,png_get_hIST, ,png_get_iCCP, ,png_get_IHDR, ,png_get_image_height, ,png_get_image_width, ,png_get_int_32, ,png_get_interlace_type, ,png_get_io_chunk_type, ,png_get_io_ptr, ,png_get_io_state, ,png_get_libpng_ver, ,png_get_mem_ptr, ,png_get_oFFs, ,png_get_palette_max, ,png_get_pCAL, ,png_get_pHYs, ,png_get_pHYs_dpi, ,png_get_pixel_aspect_ratio, ,png_get_pixel_aspect_ratio_fixed, ,png_get_pixels_per_inch, ,png_get_pixels_per_meter, ,png_get_PLTE, ,png_get_progressive_ptr, ,png_get_rgb_to_gray_status, ,png_get_rowbytes, ,png_get_rows, ,png_get_sBIT, ,png_get_sCAL, ,png_get_sCAL_fixed, ,png_get_sCAL_s, ,png_get_signature, ,png_get_sPLT, ,png_get_sRGB, ,png_get_text, ,png_get_tIME, ,png_get_tRNS, ,png_get_uint_16, ,png_get_uint_31, ,png_get_uint_32, ,png_get_unknown_chunks, ,png_get_user_chunk_ptr, ,png_get_user_height_max, ,png_get_user_transform_ptr, ,png_get_user_width_max, ,png_get_valid, ,png_get_x_offset_inches, ,png_get_x_offset_inches_fixed, ,png_get_x_offset_microns, ,png_get_x_offset_pixels, ,png_get_x_pixels_per_inch, ,png_get_x_pixels_per_meter, ,png_get_y_offset_inches, ,png_get_y_offset_inches_fixed, ,png_get_y_offset_microns, ,png_get_y_offset_pixels, ,png_get_y_pixels_per_inch, ,png_get_y_pixels_per_meter, ,png_handle_as_unknown, ,png_image_begin_read_from_file, ,png_image_begin_read_from_memory, ,png_image_begin_read_from_stdio, ,png_image_finish_read, ,png_image_free, ,png_image_write_to_file, ,png_image_write_to_memory, ,png_image_write_to_stdio, ,png_info_init_3, ,png_init_io, ,png_longjmp, ,png_malloc, ,png_malloc_default, ,png_malloc_warn, ,png_permit_mng_features, ,png_process_data, ,png_process_data_pause, ,png_process_data_skip, ,png_progressive_combine_row, ,png_read_end, ,png_read_image, ,png_read_info, ,png_read_png, ,png_read_row, ,png_read_rows, ,png_read_update_info, ,png_reset_zstream, ,png_save_int_32, ,png_save_uint_16, ,png_save_uint_32, ,png_set_add_alpha, ,png_set_alpha_mode, ,png_set_alpha_mode_fixed, ,png_set_background, ,png_set_background_fixed, ,png_set_benign_errors, ,png_set_bgr, ,png_set_bKGD, ,png_set_check_for_invalid_index, ,png_set_cHRM, ,png_set_cHRM_fixed, ,png_set_cHRM_XYZ, ,png_set_cHRM_XYZ_fixed, ,png_set_chunk_cache_max, ,png_set_chunk_malloc_max, ,png_set_compression_buffer_size, ,png_set_compression_level, ,png_set_compression_mem_level, ,png_set_compression_method, ,png_set_compression_strategy, ,png_set_compression_window_bits, ,png_set_crc_action, ,png_set_error_fn, ,png_set_expand, ,png_set_expand_16, ,png_set_expand_gray_1_2_4_to_8, ,png_set_filler, ,png_set_filter, ,png_set_filter_heuristics, ,png_set_filter_heuristics_fixed, ,png_set_flush, ,png_set_gAMA, ,png_set_gAMA_fixed, ,png_set_gamma, ,png_set_gamma_fixed, ,png_set_gray_to_rgb, ,png_set_hIST, ,png_set_iCCP, ,png_set_IHDR, ,png_set_interlace_handling, ,png_set_invalid, ,png_set_invert_alpha, ,png_set_invert_mono, ,png_set_keep_unknown_chunks, ,png_set_longjmp_fn, ,png_set_mem_fn, ,png_set_oFFs, ,png_set_option, ,png_set_packing, ,png_set_packswap, ,png_set_palette_to_rgb, ,png_set_pCAL, ,png_set_pHYs, ,png_set_PLTE, ,png_set_progressive_read_fn, ,png_set_quantize, ,png_set_read_fn, ,png_set_read_status_fn, ,png_set_read_user_chunk_fn, ,png_set_read_user_transform_fn, ,png_set_rgb_to_gray, ,png_set_rgb_to_gray_fixed, ,png_set_rows, ,png_set_sBIT, ,png_set_sCAL, ,png_set_sCAL_fixed, ,png_set_sCAL_s, ,png_set_scale_16, ,png_set_shift, ,png_set_sig_bytes, ,png_set_sPLT, ,png_set_sRGB, ,png_set_sRGB_gAMA_and_cHRM, ,png_set_strip_16, ,png_set_strip_alpha, ,png_set_swap, ,png_set_swap_alpha, ,png_set_text, ,png_set_text_compression_level, ,png_set_text_compression_mem_level, ,png_set_text_compression_method, ,png_set_text_compression_strategy, ,png_set_text_compression_window_bits, ,png_set_tIME, ,png_set_tRNS, ,png_set_tRNS_to_alpha, ,png_set_unknown_chunk_location, ,png_set_unknown_chunks, ,png_set_user_limits, ,png_set_user_transform_info, ,png_set_write_fn, ,png_set_write_status_fn, ,png_set_write_user_transform_fn, ,png_sig_cmp, ,png_start_read_image, ,png_warning, ,png_write_chunk, ,png_write_chunk_data, ,png_write_chunk_end, ,png_write_chunk_start, ,png_write_end, ,png_write_flush, ,png_write_image, ,png_write_info, ,png_write_info_before_PLTE, ,png_write_png, ,png_write_row, ,png_write_rows, ,png_write_sig.